Dental drill extender



FIG. 1 is a top perspective view of a dental drill extender in accordance with the present design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is a side view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a front view thereof.

FIG. 8 is a rear view thereof; and,

FIG. 9 is a side view shown the dental drill extender connected to another dental drill extender and a dental drill bit.

The broken lines shown in FIG. 9 represent portions of the dental drill extender that form no part of the claimed design. 

CLAIM The ornamental design for a dental drill extender, substantially as shown and described. 